From: The earliest known artificial synthesized ε-Fe2O3 in the Deqing Kiln ceramic ware of Tang Dynasty
PE | GE | PA | GA | FE | GF | CG | G | B | |
---|---|---|---|---|---|---|---|---|---|
Na2O | 2.1 ± 0.2 | 3.7 ± 0.5 | 1.9 ± 0.2 | 4.1 ± 0.3 | 1.8 ± 0.2 | 3.5 ± 0.4 | 4.5 ± 0.2 | 1.3 ± 0.1 | 2.3 ± 0.1 |
MgO | 2.5 ± 0.4 | 1.2 ± 0.3 | 1.8 ± 0.3 | 1.1 ± 0.2 | 1.9 ± 0.1 | 1.8 ± 0.2 | 1.4 ± 0.2 | 2.1 ± 0.1 | 1.1 ± 0.1 |
Al2O3 | 17.2 ± 0.3 | 12.6 ± 2.4 | 14.2 ± 0.5 | 15.3 ± 1.6 | 14.7 ± 0.2 | 16.4 ± 1.3 | 16.0 ± 0.9 | 12.8 ± 0.2 | 19.4 ± 0.5 |
SiO2 | 34.6 ± 1.2 | 73 ± 5 | 36.7 ± 2.0 | 67.2 ± 2.5 | 54.0 ± 0.7 | 62.4 ± 2.8 | 65.3 ± 1.8 | 54.9 ± 0.4 | 69.8 ± 0.8 |
P2O5 | 0.0 ± 0.1 | 0.1 ± 0.1 | 0.0 ± 0.1 | 0.1 ± 0.1 | 0.2 ± 0.1 | 0.1 ± 0.1 | 0.1 ± 0.1 | 0.4 ± 0.1 | 0.0 ± 0.1 |
Cl2O | 0.2 ± 0.1 | 0.0 ± 0.1 | 0.2 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 | 0.0 ± 0.1 |
K2O | 4.2 ± 0.3 | 3.5 ± 0.6 | 4.2 ± 0.3 | 5.5 ± 0.4 | 4.1 ± 0.1 | 3.6 ± 0.5 | 4.8 ± 0.4 | 1.5 ± 0.1 | 2.9 ± 0.2 |
CaO | 1.5 ± 0.1 | 1.2 ± 0.2 | 1.4 ± 0.1 | 1.8 ± 0.3 | 4.9 ± 0.4 | 4.8 ± 0.4 | 1.8 ± 0.3 | 19.5 ± 0.4 | 0.8 ± 0.1 |
TiO2 | 1.7 ± 0.1 | 0.6 ± 0.2 | 1.5 ± 0.2 | 1.4 ± 0.4 | 1.0 ± 0.1 | 1.1 ± 0.2 | 0.8 ± 0.2 | 0.9 ± 0.1 | 0.9 ± 0.1 |
MnO2 | 0.4 ± 0.1 | 0.1 ± 0.1 | 0.3 ± 0.1 | 0.2 ± 0.1 | 0.3 ± 0.1 | 0.3 ± 0.1 | 0.1 ± 0.1 | 0.4 ± 0.1 | 0.1 ± 0.1 |
Fe2O3 | 35.7 ± 1.2 | 3.9 ± 1.5 | 37.7 ± 2.0 | 3.4 ± 0.6 | 17.1 ± 0.8 | 5.9 ± 1.1 | 5.2 ± 0.9 | 6.1 ± 0.2 | 2.7 ± 0.2 |
SiO2/Al2O3 | 2.0 ± 0.1 | 5.8 ± 1.2 | 2.6 ± 0.2 | 4.4 ± 0.5 | 3.7 ± 0.1 | 3.8 ± 0.4 | 4.1 ± 0.3 | 4.3 ± 0.1 | 3.6 ± 0.1 |